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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingVolketswilThoma Baukeramik GmbH
Thoma Baukeramik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Thoma Baukeramik GmbH is a tile laying company specializing in the installation and processing of ceramic products. The core activities include cleaning ceramics, laying cement joints, installing floor heating systems, applying anti-slip coatings and LED lighting.

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Products & services

Industry:Flooring & Tiling
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4.0/5

Thoma Baukeramik GmbH

6
Benefits of Ceramic
Ceramic tiles with hygienic, durable and easy-care properties, including large-format and thin tiles with narrow joints, with installation designed for barrier-free access up to the garden.
Cleaning of Ceramic
Cleaning and maintenance of ceramic floor and wall coverings, including periodic basic cleaning and treatment of stubborn stains.
Cement Grout
Instructions and professional cleaning of tile grout joints using neutral or alkaline cleaning agents to avoid damage to the grout.
Underfloor Heating
Extremely thin shielded electric underfloor heating for ceramic and other floor coverings, with thermostat, floor sensor and timer.
Grip Anti-Slip
Anti-slip solution for ceramic surfaces to improve safety on floors and wall surfaces.
Apprenticeship Training
Training to become a tile setter (EFZ) with practical work in a tile setting company, vocational school, inter-company courses and a certificate of completion.
Trust & reputation

ranQ Trust Score of Thoma Baukeramik GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Thoma Baukeramik GmbH scores 60.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.67.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.52.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.50.08%
Thoma Baukeramik GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Thoma Baukeramik GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Thoma Baukeramik GmbH scores 14.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thoma Baukeramik GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Büelstrasse 15
8604 Volketswil
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:00
Tue
07:15 - 12:00, 13:00 - 17:00
Wed
07:15 - 12:00, 13:00 - 17:00
Thu
07:15 - 12:00, 13:00 - 17:00
Fri
07:15 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.463.479
Founded
2007 · 19 years
Last commercial register change
August 15, 2024
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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